The preparation of hypoeutectic Al - Si alloy billets for semisolid forming by low temperature casting was studied.研究了低温铸造法制备亚共晶 铝硅 合金半固态成形用坯料.He is sick and has been casting up all night.他病了，夜里一直在呕吐。In the case of rimmi...
鞋底助燃剂的痕迹是一些石油淋馏出液, 包括甲苯?The accelerant pattern on the bottom of Luke's shoes, various petroleum distillate, including toluene?精馏塔的馏出液组成与塔顶温度有关, 大气压不同塔顶温度也不同.In plateau and, thethe atmospheric atmosphere, so the infl...
她梦想成为马戏团中的一名无鞍马骑手。She dreamed of being a bareback rider in a circus.我骑着无鞍马来到了牧场。I rode bareback to the paddock.我最近一直过着鞍马生涯.I have been in the saddle all the last few days....
a notepad by the phone for messages电话机旁用于记录信息的记事本This allows you to keep confidential messages secure from unauthorised access.这可以让你的邮件安全保密从未经授权的访问.It is illegal to intercept radio messages.拦截无线电报是非法的。I phoned twice a da...